Gathering Input
Gathering input - Select transaction type (menu item, etc.), and fill in a form (request’s parameters)
30 year evolution of presentation devices
- Teletype, character-at-a-time terminal (async), block-mode terminal (IBM 3270), PC, web browser
- Specialized devices - ATMs, bar code readers, gas pumps, robots, credit card authorization, cash registers, ticket printers, etc.
Presentation tool to design and render screens
- Forms manager - WYSIWYG form editor, compile form, execute it (with record defn binding to programming language)
- RAD tool - ActiveX controls accessed from Visual Basic (VB), PowerBuilder, Delphi, etc.
- Now HTML forms, and XML with XSLT